Merge "Revert "Notify listeners when syncing group expansion mgr with the...

Merge "Revert "Notify listeners when syncing group expansion mgr with the pipeline."" into udc-qpr-dev am: df1b3151 am: 4b844db3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24500059



Change-Id: I54e1612c5cc36b2dde742949d76060b509977f02
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>